leetcode

commit 6d471b97cd0e07068ecb020bcfda401cbc704d72
parent de45cf25b94c02c2f225e8b46103db0361147a4a
Author: Dimitrije Dobrota <mail@dimitrijedobrota.com>
Date:   Tue, 28 Nov 2023 20:45:07 +0000

Daily Problem

Diffstat:
A
Problems/2147.cpp
 | 
20
++++++++++++++++++++
M
README.md
 | 
1
+

2 files changed, 21 insertions(+), 0 deletions(-)
diff --git a/Problems/2147.cpp b/Problems/2147.cpp
@@ -0,0 +1,20 @@
+class Solution {
+  public:
+    int numberOfWays(const string &corridor) const {
+        int total = 0, crnt = 0, start = 0;
+        long res = 1;
+        for (int i = 0; i < corridor.size(); i++) {
+            if (corridor[i] != 'S') continue;
+            if (crnt == 1) start = i;
+            if (crnt == 2) {
+                if (start) {
+                    res = (res * (i - start)) % static_cast<int>(1E9 + 7);
+                }
+                start = crnt = 0;
+            }
+            crnt++, total++;
+        }
+
+        return !total || total % 2 ? 0 : res;
+    }
+};
diff --git a/README.md b/README.md
@@ -799,6 +799,7 @@ for solving problems.
 |  2131  |   Medium   | [Longest Palindrome by Concatenating Two Letter Words](Problems/2131.cpp)                          |
 |  2140  |   Medium   | [Solving Questions With Brainpower](Problems/2140.cpp)                                             |
 |  2141  |    Hard    | [Maximum Running Time of N Computers](Problems/2141.cpp)                                           |
+|  2147  |    Hard    | [Number of Ways to Divide a Long Corridor](Problems/2147.cpp)                                      |
 |  2149  |   Medium   | [Rearrange Array Elements by Sign](Problems/2149.cpp)                                              |
 |  2150  |   Medium   | [Find All Lonely Numbers in the Array](Problems/2150.cpp)                                          |
 |  2155  |   Medium   | [All Divisions With the Highest Score of a Binary Array](Problems/2155.cpp)                        |